Adjust network ttl.

ansible/roles/base/tasks/freebsd.yaml

@@ -120,3 +120,16 @@
     group: wheel
   loop:
     - disk_labels
+
+- name: Configure sysctls
+  sysctl:
+    name: "{{ item.name }}"
+    value: "{{ item.value }}"
+    state: present
+    sysctl_file: "/etc/sysctl.conf.local"
+  loop:
+    # Adjust ttl
+    - name: net.inet.ip.ttl
+      value: 65
+    - name: net.inet6.ip6.hlim
+      value: 65

ansible/roles/base/tasks/linux.yaml

@@ -67,3 +67,13 @@
     - name: vm.dirty_writeback_centisecs
       value: 1500
       file: power.conf
+    # Adjust ttl
+    - name: net.ipv4.ip_default_ttl
+      value: 65
+      file: ttl.conf
+    - name: net.ipv6.conf.all.hop_limit
+      value: 65
+      file: ttl.conf
+    - name: net.ipv6.conf.default.hop_limit
+      value: 65
+      file: ttl.conf